Connectivity Guide

router ospf 100
log-adjacency-changes
OSPFv2 commands
area default-cost
Sets the metric for the summary default route generated by the ABR and sends it to the stub area.
Syntax
area area-id default-cost cost
Parameters
• area-id — Enter the OSPF area in dotted decimal A.B.C.D format or enter a number, from 0 to 65535.
• cost — Enter a cost for the stub area’s advertised external route metric, from 0 to 65535.
Default Cost is 1
Command Mode ROUTER-OSPF
Usage Information The cost is also referred as reference-bandwidth or bandwidth. Use the area default-cost command on the
border routers at the edge of a stub area. The no version of this command resets the value to the default.
Example
OS10(conf-router-ospf-10)# area 10.10.1.5 default-cost 10
Supported Releases 10.2.0E or later
area nssa
Denes an area as a NSSA.
Syntax
area area-id nssa [default-information-originate | no-redistribution | no-
summary]
Parameters
• area-id — Enter the OSPF area ID as an IP address in A.B.C.D format or number, from 1 to 65535.
• no-redistribution — (Optional) Prevents the redistribute command from distributing routes into
the NSSA. Use
no-redistribution command only in an NSSA ABR.
• no-summary — (Optional) Ensures that no summary LSAs are sent to the NSSA.
Default Not congured
Command Mode ROUTER-OSPF
Usage Information The no version of this command deletes an NSSA.
Example
OS10(conf-router-ospf-10)# area 10.10.1.5 nssa
Supported Releases 10.2.0E or later
area range
Summarizes routes matching an address/mask at an area in ABRs.
Syntax
area area-id range ip-address [no-advertise]
Parameters
• area-id — Set the OSPF area ID as an IP address in A.B.C.D format or number, from 1 to 65535.
Layer 3 443